68/100LFR Score
Ranked #1 because of its Google rating and practice area focus: 4.9★ from 337 Google reviews, listed on Google as “Criminal justice attorney”.
Emergency Criminal Defense Lawyers in Diamond Bar, CA (2026)
Top 50 of 657 criminal defense lawyers, in emergency orderUpdated 0 paid placements in this rankingHow we rank
25 of the 50 criminal defense lawyers on this list post 24/7 hours. 24/7 law firms come first, then same-day, each ranked by LFR Score with availability weighted higher.
If you or someone you know is arrested: you can stay silent and ask for a lawyer before answering questions. Calls from jail are usually recorded, so do not discuss the facts of the case on them.
The short answer
- 1
#1 for emergency criminal defense in Diamond Bar: Newman & Allen, open 24/7.
Rankings can't be bought. Lawyers can't pay to change their rank or score. How we rank
Top emergency criminal defense lawyers in Diamond Bar at a glance
Ranked by our published LFR Score from public data, not by payment; a rank is not an endorsement or a prediction of results.
| Rank | Business | LFR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Newman & Allen | 68 | 4.9★ (337) | Rancho Cucamonga, 15 mi away | Open 24 hrs (Google) |
| 2 | Poseidon Defense A.P.C. | 68 | 5.0★ (201) | Fullerton, 12 mi away | Open 24 hrs (Google) |
| 3 | Lucero, PC | 68 | 4.9★ (104) | La Verne, 6 mi away | Open 24 hrs (Google) |
| 4 | The Criminal And DUI Guys - Criminal Defense Attorneys - | 68 | 5.0★ (166) | Rancho Cucamonga, 14 mi away | Open 24 hrs (Google) |
| 5 | The Law Offices of Kirk Tarman & Associates | 68 | 4.9★ (191) | Rancho Cucamonga, 14 mi away | Open 24 hrs (Google) |
| 6 | Kia Law Firm | 68 | 5.0★ (602) | Riverside, 25 mi away | Open 24 hrs (Google) |
| 7 | Weber Law | Criminal Defense Lawyers | 68 | 4.9★ (35) | Diamond Bar | Open 24 hrs (Google) |
| 8 | My Rights Law Criminal Defense and DUI Lawyers - Rancho Cucamonga | 67 | 4.9★ (184) | Rancho Cucamonga, 15 mi away | Open 24 hrs (Google) |
| 9 | Damas Law | 67 | 4.9★ (113) | El Monte, 13 mi away | Open 24 hrs (Google) |
| 10 | Kareem Law APC, Criminal Defense Lawyer | 67 | 4.9★ (67) | Upland, 10 mi away | Open 24 hrs (Google) |
Call an emergency criminal defense lawyer in Diamond Bar now
24-hour hours mean the firm lists itself as open around the clock on Google; that does not show its phone is answered. A lawyer may not be able to visit a jail or appear in court the same day: ask what they can do now and what it costs before you agree.
- #1Call (909) 328-6101
Open 24/7 · 4.9 from 337 Google reviews
- #2Call (657) 255-6455
Open 24/7 · 5.0 from 201 Google reviews
- #3Call (909) 503-4856
Open 24/7 · 4.9 from 104 Google reviews
- #4Call (951) 381-8013
#4The Criminal And DUI Guys - Criminal Defense Attorneys -
Open 24/7 · 5.0 from 166 Google reviews
- #5Call (909) 466-9800
#5The Law Offices of Kirk Tarman & Associates
Open 24/7 · 4.9 from 191 Google reviews
- #6Call (951) 686-4818
Open 24/7 · 5.0 from 602 Google reviews
- #7Call (661) 463-5586
#7Weber Law | Criminal Defense Lawyers
Open 24/7 · 4.9 from 35 Google reviews
- #8Call (909) 330-3880
#8My Rights Law Criminal Defense and DUI Lawyers - Rancho Cucamonga
Open 24/7 · 4.9 from 184 Google reviews
The 50 emergency criminal defense lawyers in Diamond Bar, ranked
24/7 first, then same-day service, then the rest. Each group is in LFR Score order on emergency weights. The full ranking of all 657 is on the criminal defense lawyers page.
Ranked by our published LFR Score from public data, not by payment; a rank is not an endorsement or a prediction of results.
Scores below: based on 7 of 9 factors; bar status and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Fullerton, 12 mi away
68/100LFR ScoreRanked #2 because of its Google rating and practice area focus: 5.0★ from 201 Google reviews, listed on Google as “Criminal justice attorney”.
#3 Lucero, PC
Based in La Verne, 6 mi away
68/100LFR ScoreRanked #3 because of its Google rating and practice area focus: 4.9★ from 104 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Rancho Cucamonga, 14 mi away
68/100LFR ScoreRanked #4 because of its Google rating and practice area focus: 5.0★ from 166 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Rancho Cucamonga, 14 mi away
68/100LFR ScoreRanked #5 because of its Google rating and practice area focus: 4.9★ from 191 Google reviews, listed on Google as “Criminal justice attorney”.
#6 Kia Law Firm
Based in Riverside, 25 mi away
68/100LFR ScoreRanked #6 because of its Google rating and practice area focus: 5.0★ from 602 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Diamond Bar
68/100LFR ScoreRanked #7 because of its Google rating and practice area focus: 4.9★ from 35 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Rancho Cucamonga, 15 mi away
67/100LFR ScoreRanked #8 because of its Google rating and practice area focus: 4.9★ from 184 Google reviews, listed on Google as “Criminal justice attorney”.
#9 Damas Law
Based in El Monte, 13 mi away
67/100LFR ScoreRanked #9 because of its Google rating and practice area focus: 4.9★ from 113 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Upland, 10 mi away
67/100LFR ScoreRanked #10 because of its Google rating and practice area focus: 4.9★ from 67 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Los Angeles, 26 mi away
67/100LFR ScoreRanked #11 because of its Google rating and practice area focus: 5.0★ from 385 Google reviews, listed on Google as “Criminal justice attorney”.
#12 Shouse Law Group
Based in Orange, 17 mi away
67/100LFR ScoreRanked #12 because of its Google rating and practice area focus: 4.9★ from 168 Google reviews, listed on Google as “Criminal justice attorney”.
Based in West Covina, 7 mi away
67/100LFR ScoreRanked #13 because of its Google rating and practice area focus: 5.0★ from 43 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Santa Ana, 23 mi away
67/100LFR ScoreRanked #14 because of its Google rating and practice area focus: 5.0★ from 268 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Rosemead, 16 mi away
66/100LFR ScoreRanked #15 because of its Google rating and practice area focus: 4.9★ from 114 Google reviews, listed on Google as “Criminal justice attorney”.
#16 Chambers & Ball
Based in Santa Ana, 20 mi away
66/100LFR ScoreRanked #16 because of its Google rating and practice area focus: 5.0★ from 156 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Orange, 17 mi away
66/100LFR ScoreRanked #17 because of its Google rating and practice area focus: 5.0★ from 110 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Riverside, 25 mi away
66/100LFR ScoreRanked #18 because of its Google rating and practice area focus: 4.9★ from 290 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Pasadena, 21 mi away
66/100LFR ScoreRanked #19 because of its Google rating and practice area focus: 4.9★ from 166 Google reviews, listed on Google as “Criminal justice attorney”.
#20 CBS Law
Based in Los Angeles, 26 mi away
66/100LFR ScoreRanked #20 because of its Google rating and practice area focus: 5.0★ from 240 Google reviews, listed on Google as “Criminal justice attorney”.
#21 Kolacia Law Firm
Based in Rancho Cucamonga, 15 mi away
66/100LFR ScoreRanked #21 because of its Google rating and practice area focus: 5.0★ from 68 Google reviews, listed on Google as “Criminal justice attorney”.
#22 Confianza Legal
Based in Santa Fe Springs, 16 mi away
66/100LFR ScoreRanked #22 because of its Google rating and practice area focus: 4.7★ from 121 Google reviews, listed on Google as “Criminal justice attorney”.
Based in La Cañada Flintridge, 26 mi away
66/100LFR ScoreRanked #23 because of its Google rating and practice area focus: 5.0★ from 235 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Santa Ana, 20 mi away
66/100LFR ScoreRanked #24 because of its Google rating and practice area focus: 4.9★ from 124 Google reviews, listed on Google as “Criminal justice attorney”.
Based in Pasadena, 20 mi away
66/100LFR ScoreRanked #25 because of its Google rating and practice area focus: 4.8★ from 153 Google reviews, listed on Google as “Criminal justice attorney”.
Top 50 of 657 criminal defense lawyers by emergency score
#1 to #25 are shown in full above. Here are #26 to #50, in LFR Score order; each links to its profile.
How we ranked emergency criminal defense lawyers in Diamond Bar
Emergency lists move 10 points of the LFR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 criminal defense lawyers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.
Paid placement never changes a rank or score. Attorney advertising businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Bar status | 10% | An active bar or law society record matched to a lawyer at the firm (not measured until a record source is loaded) |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed firm on the list |
| Recency | 10% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly office hours, Saturday, Sunday, and phones answered 24/7 |
| Practice focus | 15% | How clearly the firm practises this area (its Google category and name) |
| Proximity | 5% | An office in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The firm has claimed its Law Firms Ranked profile (free and paid earn the same) |
| Law Firms Ranked reviews | 10% | Verified client reviews collected by Law Firms Ranked: their rating and how many there are |
Emergency criminal defense lawyers in Diamond Bar: questions
Which criminal defense lawyers in Diamond Bar are open 24/7?
25 on this list post 24/7 hours, including Newman & Allen, Poseidon Defense A.P.C., Lucero, PC, The Criminal And DUI Guys - Criminal Defense Attorneys - and The Law Offices of Kirk Tarman & Associates.
Who is ranked #1 for emergency criminal defense in Diamond Bar, CA?
Newman & Allen is #1, with an LFR Score of 68 out of 100 on emergency weights.
How are emergency criminal defense lawyers in Diamond Bar ranked?
Emergency lists move 10 points of the LFR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 criminal defense lawyers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.
What should I do before the criminal defense lawyer arrives?
If you or someone you know is arrested: you can stay silent and ask for a lawyer before answering questions. Calls from jail are usually recorded, so do not discuss the facts of the case on them.
How many emergency criminal defense lawyers here list a phone number?
25 of the 25 law firms ranked in full list a phone number. Tap Call to dial it.
Update log for Diamond Bar
- November 2026: LFR Scores recalculated for 657 criminal defense lawyers serving Diamond Bar.